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Matches 951 - 1,000 out of 4,666

Document Document Title
WO/2011/094913A1
A displacement mechanism of an energy-increasing wing for a vertical axis wind power generator includes a support device (21) and a driving device (10). The support device (21) is arranged on a fixed bracket and provided with a connectin...  
WO/2011/095117A1
A rotary variable-diameter flapping wing includes a framework structure (1) rotatable around its own rotating shaft, a sliding device (2) arranged on the framework structure (1) and flapping wings (8). One end of the flapping wings (8) i...  
WO/2011/095055A1
A braking equipment for a vertical shaft wind generator consists of a brake disc (8) connected to a generator rotor (3), a brake bracket (7) mounted on a main shaft (1), and a caliper-disc type brake (9) mounted on the brake bracket (7)....  
WO/2011/094911A1
An energization wing, which is a windshield component and comprises a windshield surface, is set on a supporter for corresponding to one side surface of a wind wheel in a windmill generator with a vertical shaft, and the side surface is ...  
WO/2011/092432A2
The invention relates to a device (1) for capturing the power of a fluid current (F), said device including a rotor (2) provided with at least one blade (3) that sweeps a sweeping path (6) in space when the rotor is driven. Said device (...  
WO/2011/092432A3
The invention relates to a device (1) for capturing the power of a fluid current (F), said device including a rotor (2) provided with at least one blade (3) that sweeps a sweeping path (6) in space when the rotor is driven. Said device (...  
WO/2011/091519A1
There is provided a vertical axis wind turbine comprising an upright rotatable shaft mountable on a support structure, a plurality of upright blades, and a plurality of prestressable supporting arms for attaching the plurality of blades ...  
WO/2011/090729A2
An apparatus and system for increasing power output for wind energy generation through a diffusing mechanism. An apparatus and system for mixing the wake and external flow, thereby permitting increasing mass-flux for wind energy generati...  
WO/2011/090729A3
An apparatus and system for increasing power output for wind energy generation through a diffusing mechanism. An apparatus and system for mixing the wake and external flow, thereby permitting increasing mass-flux for wind energy generati...  
WO/2011/087348A3
The invention relates to an energy generator, which functions as either a vertical or horizontal shaft, and which has been improved with helicoidal blades that better absorb the wind force and is also equipped with a device, referred to ...  
WO/2011/088377A2
A wind turbine for harvesting energy from both horizontal and vertical wind currents having an open frame structure and a central passage through the structure with at least three wind energy harvesting generally vertically disposed and ...  
WO/2011/086606A1
A blade wheel provided with a rotating shaft and a rotating blade which is connected to the rotating shaft and disposed on a circle centered on the rotating shaft, the rotating blade being disposed in such a manner that the blade length ...  
WO/2011/085615A1
A blade angle automatic regulating device includes a rotating frame (4), the outer side of which is pivoted with the back of a blade (1) and the inner side of which is connected to a blade supporting disc (5); a power device coupled with...  
WO/2011/088377A3
A wind turbine for harvesting energy from both horizontal and vertical wind currents having an open frame structure and a central passage through the structure with at least three wind energy harvesting generally vertically disposed and ...  
WO/2011/088042A1
Wind turbine rotors (12, 80, 90, 212) and wind turbine blades (20, 82, 92, 220) having the startup capability of a drag-type turbine and the increased tip speed of a lift-type turbine are provided. The rotor (12, 80, 90, 212) includes a ...  
WO/2011/088136A3
A wind turbine includes a quartet of pivot shafts that are in paired parallel relationship and transversely mounted on a central drive shaft, each pivot shaft supports a pair of wings at opposed ends thereof, the wings offset by 90°. Ea...  
WO/2011/086406A3
The present invention relates to a fitting for a wind turbine, comprising a deflecting wall (2) and an open portion (3) shaped as a Venturi tube (4), which can be mounted onto a vertical-axis wind turbine comprising such a fitting, and t...  
WO/2011/086406A2
The present invention relates to a fitting for a wind turbine, comprising a deflecting wall (2) and an open portion (3) shaped as a Venturi tube (4), which can be mounted onto a vertical-axis wind turbine comprising such a fitting, and t...  
WO/2011/088372A1
Structural preform layers (300a, 300b, 400) of multiple rigid unidirectional strength elements or rods (202, 402) are constructed and arranged for use in fabricating load-bearing support structures and reinforcements of wind turbine blad...  
WO/2011/087844A3
An energy generation system includes an inner tower, an outer tower and a plurality of wind turbines. The outer shell defines a wind or fluid amplifying surface. The plurality of wind turbines is carried by the outer shell and disposed r...  
WO/2011/083236A1
The invention relates to a wind turbine, in particular having a vertical axis and set up on the last floor (2) of a residence (1), in particular in an urban area, said wind turbine having a rotor that is provided with blades and actuated...  
WO/2011/084432A2
The present invention relates to generating power using wind energy. According to some aspects, the invention uses a passive device to capture wind, and accelerate the wind toward off- the-shelf turbines and other fan blades to generate ...  
WO/2011/084154A1
A device to convert the kinetic energy of wind into kinetic energy in the form of a rotating mass (Fig.9) and to then selectively harvest and convert the kinetic energy of the rotating mass into electrical energy using both permanent mag...  
WO/2011/083888A1
Disclosed is a variable fin assembly including a fin having a planar structure. The other portions of the fin aside from a fixed end are rotated or deformed, from the original positions of said other portions about said fixed end within ...  
WO/2011/083345A3
The invention refers to a wind generator of electrical current production with a vertical axle and inhibition overspeed laps. the wind generator is setted on a steady duct on the upper place of which there is a thrust bearing. There are ...  
WO/2011/083345A2
The invention refers to a wind generator of electrical current production with a vertical axle and inhibition overspeed laps. the wind generator is setted on a steady duct on the upper place of which there is a thrust bearing. There are ...  
WO/2011/084432A3
The present invention relates to generating power using wind energy. According to some aspects, the invention uses a passive device to capture wind, and accelerate the wind toward off- the-shelf turbines and other fan blades to generate ...  
WO/2011/084958A3
A system for converting wind power to electrical energy has a peripheral frame, sails interconnected to the peripheral frame, radial struts extending from the hub to the peripheral frame, wheels mounted on the peripheral frame, electric ...  
WO/2011/081248A1
Disclosed is an air-focusing apparatus which includes, on the side opposite the side facing a wall surface to which the air-focusing apparatus is to be attached, a wall in the width direction thereof, and a focusing tube in the length di...  
WO/2011/078450A1
The present invention relates to a wind power generator for converting rotation force generated by wind into electric energy. A wind power generator according to an embodiment of the present invention comprises: a generator for convertin...  
WO/2011/076195A3
The invention relates to a device for using flow energy, in particular wind energy, comprising elements (2) that have incident-flow surfaces (1) and that are guided so as to circulate on a track at a distance to each other, wherein a rot...  
WO/2011/075938A1
Disclosed is a wind power generating device, which includes a wind receiving portion (50) composed of a frame (54) and a wind sail (52) fixed on the frame (54), a rotary shaft (40) fixing the wind receiving portion (50), a connecting pie...  
WO/2011/078876A1
A fluid turbine comprising a rotor, having an axis of rotation, comprising at least two rotor blades disposed at a radius from the axis of rotation, each rotor blade having a pitch axis and a variable pitch angle. The fluid turbine compr...  
WO/2011/075833A1
Wind turbines extract kinetic energy from a wind flow. Various types are known in the art, and the efficiency of these machines is dependent in part upon the design of the integral blades that are exposed to the wind. Disclosed are wind ...  
WO/2011/078435A1
The present invention relates to a wind generator. An embodiment of the present invention provides a wind generator comprising: an outer rotor that includes a circular top shield plate and a lateral shield plate disposed at one side and ...  
WO/2011/078451A1
The present invention relates to a rotor for wind power generation which converts the rotational force generated by the wind into electric energy, and to a wind power generator including same. A rotor for wind power generation according ...  
WO/2011/073676A3
A mounting for a vertical axis turbine, the mounting comprising a first portion (8) connectable to a mast of the turbine (88), a second portion (32) connectable to a drive element of the turbine (134), and a coupling connecting the first...  
WO/2011/073679A2
A furling mechanism for a sail (2) of a vertical axis turbine, the furling mechanism comprising: first and second elongate furling spars (8, 10) attachable to first and second edges (4, 6) of the sail (2); wherein each of the first and s...  
WO/2011/073588A2
The present invention relates to a rotor element (1) for a power generation system (6; 60), which includes: a shaft (2); a plurality of identical blades (3; 30) attached to the shaft (2), characterised in that: each blade (3; 30) is made...  
WO/2011/072402A1
Multi-purpose vertical axis wind turbine.  
WO/2011/073588A3
The present invention relates to a rotor element (1) for a power generation system (6; 60), which includes: a shaft (2); a plurality of identical blades (3; 30) attached to the shaft (2), characterised in that: each blade (3; 30) is made...  
WO/2011/073676A9
A mounting for a vertical axis turbine, the mounting comprising a first portion (8) connectable to a mast of the turbine (88), a second portion (32) connectable to a drive element of the turbine (134), and a coupling connecting the first...  
WO/2011/074278A1
In absolute terms, there is a global shortage of energy. Petroleum-caused global warming and air pollution are worsening, causing climatic anomalies in every corner of the world. With large rotating blades, the provided combined tidal/wi...  
WO/2011/073679A3
A furling mechanism for a sail (2) of a vertical axis turbine, the furling mechanism comprising: first and second elongate furling spars (8, 10) attachable to first and second edges (4, 6) of the sail (2); wherein each of the first and s...  
WO/2011/071271A3
The present invention relates to a flow rate control apparatus for a wind power generator including an air duct, an emergency vent outlet, and an auxiliary duct. The flow rate control apparatus comprises: an on/off valve installed at the...  
WO/2011/071271A2
The present invention relates to a flow rate control apparatus for a wind power generator including an air duct, an emergency vent outlet, and an auxiliary duct. The flow rate control apparatus comprises: an on/off valve installed at the...  
WO/2011/069238A1
A vertical axis wind turbine and vertical axis wind turbine assembly comprising a rotary body and a plurality of blades. A cross section through each blade of the plurality of blades transverse to the rotary axis comprises an inner cambe...  
WO/2011/066677A1
A universal wind and hydraulic engine is set vertically or horizontally. Two ends of a blade wheel shaft (2) are set in shaft seats (3) of a firm frame (1) and can be connected with a generator. The blade wheel shaft (2) is connected wit...  
WO/2011/065897A1
The invention concerns a wind-power unit with vertical shaft having a wind turbine (2) having a vertical turbine shaft (3). A tower (1) supports the wind turbine (2) and a generator (8) is arranged at the lower end of the tower (1). A un...  
WO/2011/065720A3
The present invention relates to a tilting rotor blade system for a vertical wind turbine, comprising: a track housing, which is installed in an independently rotating manner with respect to a vertical axis to freely rotate in the wind's...  

Matches 951 - 1,000 out of 4,666